Patent · US Expired

Razor cartridges

US4170821A · kind A · utility

189Cited by
5References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 2, 1977
Grant dateOct 16, 1979
Priority date
Expiry dateDec 2, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/0405
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A solid water-soluble shaving aid incorporated in a disposable razor blade cartridge which gradually dissolves during the act of wet shaving. The shaving aid, in the form of a lubricant, whisker softener, razor cleaner, medicinal agent, cosmetic agent or combination of the above is embedded, dispersed into, formed as an integral component of, or otherwise affixed to the cartridge structure adjacent the shaving edge or edges of single or multiple blades supported therein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.